US Patent No: 5,308,311

Number of patents in Portfolio can not be more than 2000

Electrically heated surgical blade and methods of making

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hemostatic surgical blade and methods of manufacturing such blades are provided, wherein the blade comprises a laminate region having a hardenable center layer and highly thermally conductive outer layers, joined to a second region of a low thermal conductivity material. A heating element is secured to the laminate region and in thermal communication therewith to thermally reform the collagen of tissue as it is incised. The heat generated by the heating element is conducted to the cutting edge of the blade to maintain the cutting edge temperature within 20.degree. C. to 70.degree. C. of a user-selected operating temperature. The second region reduces the conduction of heat to the handle of the instrument. The heating element comprises a thermally conductive dielectric layer attached to an outer surface of the laminate region, resistive conductive elements deposited on the dielectric, a second dielectric layer covering the resistive conductor elements, and an abherent coating disposed thereon to reduce coagulum buildup on the blade.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GYRUS ACMI, INC.SOUTHBOROUGH, MA147
GYRUS ENT L.L.C.BARTLETT, TN81
HEMOSTATIC SURGERY CORPORATION, A CAYMAN ISLANDS COMPANYPALO ALTO, CA11

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eggers, Philip E Dublin, OH 267 28551
Shaw, Robert F San Francisco, CA 22 1750

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Corning Glass Works (2)
4,231,371 Electrically heated surgical cutting instrument 40 1978
4,314,559 Nonstick conductive coating 164 1979
 
EVEREST MEDICAL CORPORATION (2)
4,802,476 Electro-surgical instrument 97 1987
4,958,539 Method of making an electrosurgical spatula blade 76 1989
 
GYRUS MEDICAL, INC. (2)
4,862,890 Electrosurgical spatula blade with ceramic substrate 96 1988
4,850,353 Silicon nitride electrosurgical blade 141 1988
 
HEMOSTATIC SURGERY CORPORATION, A CAYMAN ISLANDS COMPANY (2)
4,485,810 Surgical cutting blade 32 1980
4,481,057 Cutting device and method of manufacture 56 1981
 
AMP-AKZO CORPORATION, A CORP. OF DE (1)
4,770,067 Method of manufacturing surgical cutting tools for thermally aided surgery 15 1987
 
ELLMAN INTERNATIONAL, INC. (1)
4,754,754 Electrosurgical handpiece for blades and needles 61 1986
 
HEMOSTATIC SURGERY CORPORATION (1)
4,848,337 Abherent surgical instrument and method 78 1986
 
MEGADYNE MEDICAL PRODUCTS, INC. (1)
4,785,807 Electrosurgical knife 148 1987
 
Other [Check patent profile for assignment information] (2)
RE31723 Surgical cutting instrument having electrically heated cutting edge 19 1977
4,364,390 Surgical instrument having self-regulating dielectric heating of its cutting edge and method of using the same 38 1979

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
NEUROTHERM, INC. (27)
6,122,549 Apparatus for treating intervertebral discs with resistive energy 269 1997
6,095,149 Method for treating intervertebral disc degeneration 242 1997
6,073,051 Apparatus for treating intervertebal discs with electromagnetic energy 299 1997
6,007,570 Apparatus with functional element for performing function upon intervertebral discs 252 1997
5,980,504 Method for manipulating tissue of an intervertebral disc 284 1997
6,126,682 Method for treating annular fissures in intervertebral discs 323 1998
6,099,514 Method and apparatus for delivering or removing material from the interior of an intervertebral disc 221 1998
6,261,311 Method and apparatus for treating intervertebral discs 194 1999
6,517,568 Method and apparatus for treating intervertebral discs 60 2000
6,547,810 Method for treating intervertebral discs 71 2000
6,767,347 Catheter for delivery of energy to a surgical site 51 2001
6,749,605 Catheter for delivery of energy to a surgical site 60 2001
7,069,087 Apparatus and method for accessing and performing a function within an intervertebral disc 34 2001
6,832,997 Electromagnetic energy delivery intervertebral disc treatment devices 33 2001
6,733,496 Intervertebral disc device employing flexible probe 134 2001
6,726,685 Intervertebral disc device employing looped probe 79 2001
6,638,276 Intervertebral disc device employing prebent sheath 65 2001
6,878,155 Method of treating intervertebral disc tissue employing attachment mechanism 61 2001
6,997,941 Method and apparatus for treating annular fissures in intervertebral discs 46 2003
7,400,930 Method for treating intervertebral discs 25 2003
7,282,061 Method of treating intervertebral disc 52 2003
7,267,683 Method for treating intervertebral discs 23 2003
7,309,336 Catheter for delivery of energy to a surgical site 24 2004
8,226,697 Method for treating intervertebral disc 0 2007
8,187,312 Method for treating intervertebral disc 0 2007
8,128,619 Method for treating intervertebral discs 0 2007
7,647,123 Method for treating intervertebral discs 11 2007
 
ETHICON ENDO-SURGERY, INC. (22)
6,773,409 Surgical system for applying ultrasonic energy to tissue 176 2001
6,929,644 Electrosurgical jaw structure for controlled energy delivery 285 2001
6,913,579 Electrosurgical working end and method for obtaining tissue samples for biopsy 90 2002
7,083,619 Electrosurgical instrument and method of use 197 2002
6,802,843 Electrosurgical working end with resistive gradient electrodes 259 2002
6,926,716 Electrosurgical instrument 285 2002
7,011,657 Jaw structure for electrosurgical instrument and method of use 215 2003
7,112,201 Electrosurgical instrument and method of use 90 2003
7,041,102 Electrosurgical working end with replaceable cartridges 281 2003
6,905,497 Jaw structure for electrosurgical instrument 177 2003
7,070,597 Electrosurgical working end for controlled energy delivery 202 2003
7,087,054 Electrosurgical instrument and method of use 199 2003
7,169,146 Electrosurgical probe and method of use 222 2004
7,189,233 Electrosurgical instrument 80 2004
7,354,440 Electrosurgical instrument and method of use 85 2004
7,309,849 Polymer compositions exhibiting a PTC property and methods of fabrication 68 2004
7,632,269 Electrosurgical instrument with replaceable cartridge 4 2005
7,955,331 Electrosurgical instrument and method of use 19 2005
7,186,253 Electrosurgical jaw structure for controlled energy delivery 70 2005
8,075,558 Electrosurgical instrument and method 3 2005
7,381,209 Electrosurgical instrument 70 2007
7,981,113 Electrosurgical instrument 18 2008
 
ORATEC INTERVENTIONS, INC. (17)
6,482,204 Method and apparatus for controlled contraction of soft tissue 29 1996
6,068,628 Apparatus for treating chondromalacia 180 1996
6,461,353 Orthopedic apparatus for controlled contraction of collagen tissue 7 1997
6,168,593 Electrode for electrosurgical coagulation of tissue 144 1998
6,135,999 Concave probe for arthroscopic surgery 124 1998
5,954,716 Method for modifying the length of a ligament 199 1998
6,007,533 Electrocauterizing tip for orthopedic shave devices 50 1998
6,004,320 Clip on electrocauterizing sheath for orthopedic shave devices 42 1998
6,283,960 Apparatus for delivery of energy to a surgical site 79 1998
6,214,001 Electrocauterizing tool for orthopedic shave devices 82 1998
6,176,857 Method and apparatus for applying thermal energy to tissue asymmetrically 95 1998
6,358,273 Soft tissue heating apparatus with independent, cooperative heating sources 27 1999
6,350,262 Method and apparatus for applying thermal energy to tissue asymetrically 112 2000
6,391,028 Probe with distally orientated concave curve for arthroscopic surgery 79 2000
6,645,203 Surgical instrument with off-axis electrode 24 2001
6,695,839 Method and apparatus for treatment of disrupted articular cartilage 33 2001
6,645,204 Intervertebral disc device employing flexible probe 2001
 
DOMAIN SURGICAL, INC. (13)
8,523,850 Method for heating a surgical implement 0 2009
8,523,851 Inductively heated multi-mode ultrasonic surgical tool 0 2009
8,523,852 Thermally adjustable surgical tool system 0 2009
8,506,561 Catheter with inductively heated regions 0 2009
8,491,578 Inductively heated multi-mode bipolar surgical tool 0 2009
8,430,870 Inductively heated snare 0 2009
8,419,724 Adjustable ferromagnetic coated conductor thermal surgical tool 0 2009
8,414,569 Method of treatment with multi-mode surgical tool 0 2009
8,377,052 Surgical tool with inductively heated regions 0 2009
8,372,066 Inductively heated multi-mode surgical tool 0 2009
8,292,879 Method of treatment with adjustable ferromagnetic coated conductor thermal surgical tool 0 2009
8,425,503 Adjustable ferromagnetic coated conductor thermal surgical tool 0 2012
8,617,151 System and method of controlling power delivery to a surgical instrument 0 2012
 
SURGINETICS INC. (8)
8,562,603 Method for conducting electrosurgery with increased crest factor 0 2006
8,357,154 Multielectrode electrosurgical instrument 0 2006
8,357,155 Multielectrode electrosurgical blade 0 2006
7,935,112 Electrosurgical instrument 0 2006
7,935,113 Electrosurgical blade 1 2006
7,896,875 Battery powered electrosurgical system 0 2006
7,867,225 Electrosurgical instrument with needle electrode 0 2006
7,867,226 Electrosurgical needle electrode 0 2006
 
ATRICURE, INC. (4)
6,179,837 Bipolar electrosurgical scissors 302 1995
5,766,166 Bipolar Electrosurgical scissors 259 1996
6,464,701 Bipolar electrosurgical scissors 208 2000
6,350,264 Bipolar electrosurgical scissors 237 2000
 
MICROLINE SURGICAL, INC. (4)
6,287,305 Electrosurgical instrument 92 1997
6,241,723 Electrosurgical system 181 1999
6,533,781 Electrosurgical instrument 41 2000
7,377,919 Electrosurgical instrument 16 2004
 
AMADA SURGICAL, INC. (2)
5,643,256 Gold-plated electrosurgical instrument 61 1995
5,885,281 Gold-plated electrosurgical instrument 26 1997
 
APPLIED MEDICAL RESOURCES CORPORATION (2)
7,909,819 Monopolar electrosurgical return electrode 6 2006
8,048,068 Monopolar electrosurgical return electrode 0 2011
 
COVIDIEN LP (2)
8,292,888 Bipolar or ultrasonic surgical device 6 2002
8,523,890 Bipolar or ultrasonic surgical device 0 2012
 
CYNOSURE, INC. (2)
5,476,461 Endoscopic light delivery system 24 1994
5,700,260 Endoscopic light delivery system 25 1995
 
Utah Medical Products, Inc. (2)
6,126,656 Electrosurgical cutting device 5 1996
5,860,976 Electrosurgical cutting device 156 1997
 
Applied Komatsu Technology, Inc. (1)
6,191,390 Heating element with a diamond sealing material 1 1999
 
BAKERY HOLDINGS LLC (1)
6,305,149 Method and apparatus for packaging meat 3 1998
 
Clinicon Corporation (1)
6,974,452 Cutting and cauterizing surgical tools 23 2000
 
CONMED CORPORATION (1)
6,511,479 Electrosurgical blade having directly adhered uniform coating of silicone release material and method of manufacturing same 45 2001
 
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. (1)
8,129,036 High strength and high thermal conductivity heat transfer apparatus 0 2008
 
HEMOSTATIX MEDICAL TECHNOLOGIES LLC (1)
8,475,444 Heated hemostatic surgical blade system and method 0 2012
 
Hemostatix Medical Techs, LLC (1)
8,142,425 Hemostatic surgical blade, system and method of blade manufacture 5 2007
 
LINVATEC CORPORATION (1)
7,244,256 Electrosurgical device with adhesive-free insulating piece and method of making same 4 2004
 
NIKON CORPORATION (1)
6,003,419 Microcutting device and incising method 9 1998
 
OLYMPUS CORPORATION (1)
7,458,969 Therapeutic device for tissue from living body 0 2002
 
OLYMPUS OPTICAL CO., LTD. (1)
7,329,257 Medical treatment instrument 181 2003
 
SMITH & NEPHEW, INC. (1)
7,150,747 Electrosurgical cutter 36 2003
 
SUMITOMO RUBBER INDUSTRIES, LTD. (1)
7,449,019 Intervertebral decompression 32 2003
 
WATLOW ELECTRIC MANUFACTURING COMPANY (1)
7,304,276 Thick film heater integrated with low temperature components and method of making the same 0 2001
 
Other [Check patent profile for assignment information] (2)
5,827,281 Insulated surgical scissors 284 1996
6,230,603 Cutting blade for resistance-heated elastomer cutters 1 1996

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